Immunogen sequence: GQLVRMAIRA QHSNAAQTQT GEANRGWTGQ ESLSDSDPEM WELLQREKDR QCRGLELIAS ENFCSRAALE AL Highest antigen sequence identity to the following orthologs: Mouse - 90%, Rat - 88%. Mammalian serine hydroxymethyltransferase (SHMT) is a tetrameric, py